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Carboniferous Ferns

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Carboniferous Ferns

Photograph by James P. Blair

Botanist Robin C. Moran studies Carboniferous ferns at the Missouri Botanical Garden in St. Louis, Missouri. Ferns made up a significant component of the terrestrial vegetation during the Carboniferous period. Fossilization of giant tree ferns is one of the sources for the huge coal deposits formed during the period.